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9 E 8th St, Antioch, CA 94509 Property Records

Contra Costa County property record for 9 E 8th St, Antioch, CA 94509 · Last verified July 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms1 Baths
Year BuiltBuilt 1910
Square Footage1,204 sqft Living Area
Lot Size7,492 sqft (0.172 acres)
GarageAttached, 720 sqft
Last Sale$925,000 (2023)
Tax Bill$4,170.00 (2025)

Property Details

APN / Parcel Number

Primary APN066-164-013-6
Alternative APN
  • 066-164-013

Interior

Bedrooms3 Beds
Full Baths1 Baths
Total Rooms7 Rooms
Building Area1,204 sqft Living Area
1st Floor1,204 sqft 1st Floor
Stories1 Stories

Exterior

Year BuiltBuilt 1905
Effective Year BuiltEffective 1910
Lot Area7,492 sqft (0.172 acres)
Parking Spaces3 Parking Spaces
Garage TypeAttached Garage
Garage Area720 sqft Garage

Location & Zoning

Street Address9 E 8TH ST
CityANTIOCH
StateCA
Zip94509-1801
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionPOR SEC 18 T2N R2E 75 FT X 100 FT 0.172 AC
Legal Range02E
Legal Township02N
Legal Section18
JurisdictionCONTRA COSTA CA
Minor Civil DivisionANTIOCH-PITTSBURG
Census Blockgroup1
Census Block1001
Census Tract305000

Owner

Source: Contra Costa County records · APN 066-164-013-6

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordCompany Name on File
Mailing Address208 DORCHESTER LN, ALAMO, CA 94507-1756
Owner TypeOwner is a Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJul 10, 2023 · Amount on Record
Deed SaleJul 10, 2023 · Amount on Record
Prior SaleSep 19, 2008 · Amount on Record
Deed Doc Number202365439
Prior Transfer DateOct 08, 1994
Prior Transfer Doc0000290047
Record RefreshedSep 20, 2026

July 2023: Grant Deed, Construction Loan

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateJul 10, 2023
Property Address9 E 8TH ST, ANTIOCH, CA 94509-1801
Document Number0000065439
Instrument DateJun 30, 2023
Instrument2023-065439
Transaction TypeConstruction Loan
Record UpdatedJul 20, 2023
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded Values by County
Additional
  • Arms Length Transaction
  • Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address208 DORCHESTER LN, ALAMO, CA 94507-1756

Mortgage

Document Number0000065440
DateJul 10, 2023
Instrument2023-065440
Lender
NameDON K CALLAHAN INSURANCE CONSULTANT
TypeNon-Lending Institution
Agreement
TypeBuilding or Construction Mortgage
AmountAmount Recorded
Term13 Months
DueAug 01, 2024

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityAntioch City
Unified School DistrictAntioch Unified School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed Value
2026$327,726 (+2%) Land $260,100 Building $67,626
2025$4,170.00 (+74.62%)$321,300 (+90.88%) Land $255,000 Building $66,300
2023$2,388.00 (+1.4%)$168,322 (+2%) Land $75,497 Building $92,825
2022$2,355.00$165,022 Land $74,017 Building $91,005

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